// Copyright (c) 2020 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-assignment-operators-runtime-semantics-evaluation
description: >
    The LeftHandSideExpression is evaluated before the AssignmentExpression.
features: [logical-assignment-operators]

---*/

function Test() {
    function DummyError() { }

    assert.throws(DummyError, function() {
      var base = null;
      var prop = function() {
        throw new DummyError();
      };
      var expr = function() {
        throw new Test262Error("right-hand side expression evaluated");
      };

      base[prop()] &&= expr();
    });

    assert.throws(TypeError, function() {
      var base = null;
      var prop = {
        toString: function() {
          throw new Test262Error("property key evaluated");
        }
      };
      var expr = function() {
        throw new Test262Error("right-hand side expression evaluated");
      };

      base[prop] &&= expr();
    });

    var count = 0;
    var obj = {};
    function incr() {
      return ++count;
    }

    assert.sameValue(obj[incr()] &&= incr(), undefined, "obj[incr()] &&= incr()");
    assert.sameValue(obj[1], undefined, "obj[1]");
    assert.sameValue(count, 1, "count");

    obj[2] = 1;
    assert.sameValue(obj[incr()] &&= incr(), 3, "obj[incr()] &&= incr()");
    assert.sameValue(obj[2], 3, "obj[2]");
    assert.sameValue(count, 3, "count");
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
